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Finding the Fourth Proportional to 528,492,071.40, 792,738,107.10 and 528,492,071.40

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Solution

The fourth proportional to 528,492,071.40, 792,738,107.10 and 528,492,071.40 is: 792,738,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,492,071.40 : 792,738,107.10 = 528,492,071.40 : x
  2. Step 2: Convert to fraction form
    528,492,071.40/792,738,107.10 = 528,492,071.40/x
  3. Step 3: Cross multiply
    528,492,071.40x = 792,738,107.10 × 528,492,071.40
  4. Step 4: Simplify right side
    528,492,071.40x = 418,955,804,298,994,048
  5. Step 5: Solve for x
    x = 418,955,804,298,994,048/528,492,071.40
  6. Step 6: Final answer
    x = 792,738,107.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.